Home / 129,896,012.37-179,255,068.49-70,355,827.20

Finding the Fourth Proportional to 129,896,012.37, 179,255,068.49 and 70,355,827.20

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Solution

The fourth proportional to 129,896,012.37, 179,255,068.49 and 70,355,827.20 is: 97,090,267.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,896,012.37 : 179,255,068.49 = 70,355,827.20 : x
  2. Step 2: Convert to fraction form
    129,896,012.37/179,255,068.49 = 70,355,827.20/x
  3. Step 3: Cross multiply
    129,896,012.37x = 179,255,068.49 × 70,355,827.20
  4. Step 4: Simplify right side
    129,896,012.37x = 12,611,638,624,254,702
  5. Step 5: Solve for x
    x = 12,611,638,624,254,702/129,896,012.37
  6. Step 6: Final answer
    x = 97,090,267.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.